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101. A company has an Amazon EC2 instance running on a private subnet that needs to access a public website to download patches and updates. The company does not want external websites to see the EC2 instance IP address or initiate connections to it. How can a solutions architect achieve this objective? A. Create a site-to-site VPN connection between the private subnet and the network in which t..

91. A company is seeing access requests by some suspicious IP addresses. The security team discovers the requests are from different IP addresses under the same CIDR range. What should a solutions architect recommend to the team? A. Add a rule in the inbound table of the security to deny the traffic from that CIDR range. B. Add a rule in the outbound table of the security group to deny the traff..

81. A company's operations teams have an existing Amazon S3 bucket configured to notify an Amazon SQS queue when new object is created within the bucket. The development team also wants to receive events when new objects are created. The existing operations team workflow must remain intact. Which solution would satisfy these requirements? A. Create another SQS queue. Update the S3 events in buck..

- 내 로컬에서 변경한 뒤, push 할 때 1. git에 add 하기 - git add . : 변경 사항 전부 - git add scr/* : src 파일 아래의 사항 전부 2. git commit 하기 - git commit -m "update : company" 3. git pull ( 생략 가능) : 내 로컬에 있는 파일을 작업하고 있을 때, 마스터에 있는 파일도 업데이트가 되어서 내가 애초에 가지고 있던 마스터 파일과 git에 올려져있는 마스터 파일이 다르면 git pull을 해서 두 개가 동일하게 맞춰줘야 한다. 4. git push : 동일하게 맞춰져 있다면, - git push origin master - 혹은 내 브런치에 올리려면? git branch로 현재 브런치를 확인한 뒤, git ..

71. A solutions architect is optimizing a website for an upcoming musical event. Videos of the performances will be streamed in real time and then will be available on demand. The event is expected to attract a global online audience. Which service will improve the performance of both the real-time and on-demand steaming? A. Amazon CloudFront B. AWS Global Accelerator C. Amazon Route S3 D. Amazo..

61. A company has a multi-tier application that runs six front-end web servers in an Amazon EC2 Auto Scaling group in a single Availability Zone behind an Application Load Balancer (ALB). A solutions architect needs to modify the infrastructure to be highly available without modifying the application. Which architecture should the solutions architect choose that provides high availability? A. Cr..

51. A company is hosting a web application on AWS using a single Amazon EC2 instance that stores user-uploaded documents in an Amazon EBS volume. For better scalability and availability, the company duplicated the architecture and created a second EC2 instance and EBS volume in another Availability Zone, placing both behind an Application Load Balancer. After completing this change, users report..